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Hi all.
Corsa 1.4 auto.
I read the codes with my code reader but cant seem to find any info relating to them.
The car started, but didnt want to change gear. Letter F was blinking in the dash.
Stopped the car and it stayed dead.
The car starts again if i reset the codes, but the problem comes back after a ride.

The codes it picked up were:

U3111
C0300
U1100

If anybody has any idea what they mean could you please post a reply here?
 

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The U codes are communication faults, somewhere there is either a blown fuse, broken wire or bad connection. As you have the flashing F on display I would start with the auto transmission controller.
the C code is for multiple engine faults, but also can be a blown fuse to supply engine electrics with power or a broken wire/bad connection.
 
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